Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab s lifespan.
Can you pour concrete over old concrete steps.
This includes removing sand dead leaves and gravel.
If you get some of the mixture on your skin rinse the affected area under cool water.
The old concrete needs to be completely clean or else anything you pour over it won t bond to it.
If done properly new concrete can often be poured right over an existing slab.
Pour the resurfacing concrete over your old concrete.
A well poured concrete slab with a deep sturdy foundation can last for 30 to 40 years.
Get as much of it off the concrete as you can.
If you re concrete has large cracks and the slab may still be moving due to freeze and thaw conditions or settling then a tear out and replace is a better solution.
There are cases when pouring new concrete over old just isn t a viable solution.
Water soaks into the concrete freezes.
Be sure to cover all of the concrete evenly.
Pour the mixture directly from the bucket or use a plastic sprinkler can to distribute it over the old concrete.
Cutting away the damaged concrete and pouring a new concrete cap on the step can often repair badly broken concrete steps.
Pour the acid mixture over the old concrete.
Pouring new concrete s.
Cleaning old concrete surface.
You can alter small exterior concrete steps extending from a patio or directly from a home.
Push the debris off the concrete surface or collect it in a bag to throw away.
One of the best tools that can be clean all the debris out of crack is a stiff bristle broom.
The condition of the existing slab is the primary factor that determines how long the new concrete will last.
Steps involved in pouring concrete over existing concrete slab step 1.
For instance if concrete stairs are not the correct size are too small or are different sizes you can pour new concrete over them instead of redoing the entire structure.
When wouldn t i want to pour new concrete over old concrete.
The fix will be durable and you avoid the high expense of a complete tear out.
Finishing after pouring the finishing concrete smooth it out with a finishing trowel or a long handled industrial squeegee.
Concrete steps break up especially in northern climates.